Finding the Fourth Proportional to 163,257.60, 245,017.44 and 84,394.80
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Solution
The fourth proportional to 163,257.60, 245,017.44 and 84,394.80 is: 126,659.94
Step by Step Solution
- Step 1: Write the proportion equation
163,257.60 : 245,017.44 = 84,394.80 : x - Step 2: Convert to fraction form
163,257.60/245,017.44 = 84,394.80/x - Step 3: Cross multiply
163,257.60x = 245,017.44 × 84,394.80 - Step 4: Simplify right side
163,257.60x = 20,678,197,845.31 - Step 5: Solve for x
x = 20,678,197,845.31/163,257.60 - Step 6: Final answer
x = 126,659.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.